In 2006, Berta Kanaan was selected as the exclusive beauty expert and personal consultant to HRH Princess Ameerah Al Taweel, then wife of HRH Prince Alwaleed bin Talal. For nine years, she oversaw all of the Princess’s media and public appearances, reflecting the high level of trust in her expertise and refined taste. She established her first beauty salon in 2002 at Le Royal Hotel in Dbayeh, Lebanon—a major milestone in her career. In 2019, she crowned her extensive experience by opening Berta Kanaan Spa in Jal El Dib, a luxurious and fully integrated beauty center that embodies her vision for world-class beauty and wellness. Berta Kanaan has collaborated with leading figures in the Arab world, most notably with Saudi influencer Afnan Al-Batel, delivering specialized "Masterclass" training sessions. These sessions focused on teaching a variety of makeup styles, including royal, classic, and evening looks, sharing her expertise with a wider audience.